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Finding the Fourth Proportional to 58,762.54, 88,145.85 and 19,322.74

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Solution

The fourth proportional to 58,762.54, 88,145.85 and 19,322.74 is: 28,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762.54 : 88,145.85 = 19,322.74 : x
  2. Step 2: Convert to fraction form
    58,762.54/88,145.85 = 19,322.74/x
  3. Step 3: Cross multiply
    58,762.54x = 88,145.85 × 19,322.74
  4. Step 4: Simplify right side
    58,762.54x = 1,703,219,341.63
  5. Step 5: Solve for x
    x = 1,703,219,341.63/58,762.54
  6. Step 6: Final answer
    x = 28,984.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.